Makefile: add build target for Alpine

Signed-off-by: Suryashankar Das <[email protected]>

Author: iamsdas

.github/workflows/build-and-release.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 14.15.3
+          node-version: 12.9.1
           cache: 'npm'
       - name: Setup dependencies
         run: |

Makefile

@@ -8,3 +8,6 @@ linux:
 
 windows:
 	nexe index.js -t windows-x64 -o kubeopenapi-jsonschema -r "./node_modules/**/*"
+
+alpine:
+	nexe index.js -t alpine-x64 -o kubeopenapi-jsonschema -r "./node_modules/**/*"